Virginia Tech Graduation

A gold and maroon bow is tied to a lamp post at a memorial to the 32 students and faculty killed in the Virginia Tech shootings at the Drill Field of the school's campus Thursday, May 10, 2007, in Blacksburg, Va. Less than a month after a gunman opened fire on campus, about 4,000 students will be honored during a joint commencement event Friday, with diplomas from individual colleges being distributed on Saturday.

Virginia Tech student Kibum Kim, left, greets another visitor as he pays his respects at a memorial to the 32 students and faculty killed April 16 in the Virginia Tech shootings at the Drill Field of the school's campus Thursday, May 10, 2007, in Blacksburg, Va.

Virginia Tech students gather for photos before the start of commencement exercises on the Virginia Tech campus Friday, May 11, 2007, in Blacksburg, Va.

Matt Brooks adjusts an emblem on the uniform of Jeff Stine prior to the Virginia Tech Corps of Cadets graduation ceremony Friday, May 11, 2007, in Blacksburg, Va. Graduation ceremonies at the university are being held Friday and Saturday where posthumous degrees will be awarded to the victims of the shooting rampage April 16 that left 32 people and the gunman dead.

A memorial to some of the slain students is set up in the lobby of Patton Hall on the Virginia Tech campus in Blacksburg, Va., Friday, May 11, 2007, on graduation day. The photo to the far left is of Jeremy Michael Herbstritt, of Bellefonte, Pa.

Virginia Tech students gather for photos before the start of commencement exercises on the Virginia Tech campus Friday, May 11, 2007, in Blacksburg, Va. Less than a month after student Seung-Hui Cho, 23, went on his murderous rampage, killing 32 students and faculty, about 4,000 students were to be honored during commencement at the school's football stadium.

Graduate student Wirot Juwanuwong has his photograph taken in his graduation gown at the memorial for the slain students in front of Burruss Hall on the Virginia Tech Drillfield in Blacksburg, Va., Friday, May 11, 2007, on graduation day. Juwanuwong will be receiving his masters degree from the School of Education.

Paige Borel, center, is hugged by her grandmother Audrey Conner, right as her sister Brynne Borel stands in the background at the memorial for the slain students in front of Burruss Hall on the Virginia Tech Drillfield in Blacksburg, Va., Friday, May 11, 2007, on graduation day. Paige will be graduating from the school of education.

Graduate students and faculty walk down the isle during the Graduate Commencement Ceremony at Cassell Coliseum on the campus of Virginia Tech in Richmond, Va., Friday, May 11, 2007.

A graduate student wears a decorated mortarboard during the procession at the beginning of the Graduate Commencement Ceremony at Cassell Coliseum on the campus of Virginia Tech in Blacksburg, Va., Friday, May 11, 2007.

The parents of slain Virginia Tech graduate student Jeremy Michael Herbstritt, Margaret, second from left, and Michael Herbstritt, third from left, embrace during the Graduate Commencement Ceremony at Cassell Coliseum on the campus of Virginia Tech in Blacksburg, Va., Friday, May 11, 2007.

The family of slain Virginia Tech graduate student, Partahi Mamora Halomoan Lumbantoruan, accept his degree from Virignia Tech president Charles Steger, during Graduate Commencement Ceremonies at Cassell Coliseum on the campus of Virginia Tech in Richmond, Va., Friday, May 11, 2007.

Greg, second from right, and Karen, right, Gwaltney, the parents of slain Virginia Tech graduate student, Matthew Gregory Gwaltney, watch the proceedings during the Graduate Commencement Ceremony at Cassell Coliseum on the campus of Virginia Tech in Richmond, Va., Friday, May 11, 2007.

Undergraduates file on to the field at Lane Stadium during Commencement Ceremonies on the campus of Virginia Tech in Blacksburg, Va., Friday, May 11,2007.

The family of slain Virginia Tech student Emily Jane Hilscher, sister Erica, left, and her parents Beth, and Eric, stand on the right side of the stage together as they are presented with a posthumous diploma for her during an undergraduate College of Agriculture and Life Science graduation ceremony at Virginia Tech at Cassell Coliseum in Blacksburg, Va., Saturday, May 12, 2007. Standing at the podium is Dr. Tony Webb.